Epson EMP-74 User Manual page 78

Problem Solving
Images are fuzzy or out of focus.
Check
Has the focus been adjusted correctly?
Is the lens cover still attached?
Is the projector at the correct distance?
Is the keystone adjustment value too large?
Has condensation formed on the lens?
Interference or distortion appear in images.
Check
Are the image signal format settings correct? If signals from the [Computer1/Component Video1] port or the [Computer2/Component Video2]
Are the cables connected correctly?
Is an extension cable being used?
Has the correct resolution been selected?
Only when projecting computer images
Have the "Sync. " and "Tracking
been adjusted correctly?
Computer and RGB video signals only
Turn the focus ring on the projector to adjust the focus.
Remove the lens cover.
The recommended projection distance range is 89–1050 cm (2.9–34.4 ft.). Set the projector up so
that it is within this range.
Decrease the projection angle to reduce the amount of keystone correction.
If the projector is suddenly taken from a cold environment to a warm environment or if sudden
ambient temperature changes occur, condensation may form on the surface of the lens, and this may
cause the images to appear fuzzy. Set the projector up in the room approximately one hour before it
is to be used. If condensation forms on the lens, turn the power off and wait for the condensation to
disappear.
port are being projected, use the "Input Signal" menu command to set the signal format that matches
the signal that is being projected from the connected equipment.
"Image" - "Input Signal"
If a composite video
menu command to select the signal format.
"Image" - "Video Signal"
Check that all of the cables required for projection are securely connected.
If an extension cable is used, electrical interference may affect the signals. Use the accessory cables
and check if this helps.
Set the computer so that the signals that are output are compatible with this projector.
"List of Supported Monitor Displays"
Computer documentation
" settings Press the [Auto] button on the remote control to carry out automatic adjustment. If the images have
not been adjusted correctly after using automatic adjustment, you can make the adjustments using
the "Sync." and "Tracking" menus.
Remedy
p.32
p.15
Remedy
p.52, p.55
or S-Video source is connected to the projector, use the "Video Signal"
p.56
p.100
p.42, p.43
p.37
p.40
p.16–p.24
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